Non Asbestos Roof Slates

Their color ranges between grey light green peachy orange and even purple.
Non asbestos roof slates. Health safety concerns related to the removal of asbestos containing roofs. Asbestos and its hazards asbestos is a naturally occurring substance. When you use slate hooks you don t have to drill the tiles or caulk anything. On diamond shaped tiles use two hooks one at 4 o clock and one at 8 o clock see below.
Cembrit fibercement slates are manufactured using portland cement together with a non asbestos formulation of superior blended synthetic and cellulose fibres. Slate hooks work well for fastening replacement tiles in place. The asbestos fibers inside slates can only be released when they are broken and this roofing material does not necessarily require removal although many people choose to do it. New homes built prior to 1970 s with asbestos roofs were lauded for the longevity of their roof systems as the roofs had a life expectancy of 30 50 years.
The slates are pigmented during production and are fully compressed. A number of these products promising a life of 50 years or longer were found to fail early in their life in the 1990s. A number of non asbestos manufactured or synthetic slates or fiber cement roof shingles slate tiles that were produced when manufacturers stopped using asbestos were made using wood fibers or other materials.